I am studying webcard material(see the attachment). And I saw the main() function in the java card applet.Why is the main() function in the java card applet ? I have never saw this in other applets. How strange it is.

I have two questions about waitExtension function. Q1: If the card doesn't implement automatic timer mechanism, how long is the waiting time waitExtension function request from CAD?Q2: If there is a long-playing processing, how should I request ?Thanks a lot.

I am confused about KeyAgreement. Both the server side and card side have the same keys-the card public and private keys and the terminals public and private keys. If i generate KeyAgreement for the card and server as private on the server side ,the secters are the same, so the generation is OK and ...

Hi,horse dream.Could you please explain what you mean : "Odd instruction codes are typically handled differently from the even ones by the card, they are no simple aliases for these..." As we all know,according to ISO, odd INS codes are invalid . What I want to know is if there is a card, ...

I found the following descriptions in ISO 7816. http://www.cardwerk.com/smartcards/smartcard_standard_ISO7816-4_5_basic_organizations.aspx#chap5_4 5.4.2 Instruction byte The instruction byte INS of a command shall be coded to allow transmission with any of the protocols defined in part 3 of ISO/IEC ...

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